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URN's avatar
URN
Icon for New Contributor rankNew Contributor
6 years ago

How to write/read to external DDR from custom Qsys component (custom IP).

I could write some data on to external DDR from HPS Linux C . I want my custom component to read that data from DDR , perform some operation and put the result back to DDR at different memory locati...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
6 years ago

A single slave can be accessed by multiple masters. You don't need dual slave ports, but your custom component does need a master interface (Avalon or AXI). Simply click the appropriate dots in the System Contents tab of Platform Designer, or right-click the slave interface of the DDR, go to the Connections submenu, and make the connections there. Check out this online training:

https://www.intel.com/content/www/us/en/programmable/support/training/course/oqsysfinish.html

#iwork4intel

  • SVN's avatar
    SVN
    Icon for New Contributor rankNew Contributor
    6 years ago

    hi, Thanks for the response,

    A single slave can be accessed by multiple masters. You don't need dual slave ports, but your custom component does need a master interface (Avalon or AXI). You are right. I will check out the online training. Hope to find the solution soon...

    Many Many Thanks